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Modine PDP Power Vented Unit Heaters

Modine PDP Power-Vented Unit Heaters are a reliable and efficient heating solution designed for industrial and commercial spaces. These heaters feature a power-vented design for easy installation and venting, as well as a hot surface ignition system and a high-efficiency fan motor for quiet operation. With input capacities ranging from 150,000 to 400,000 BTU/hr, the Modine PDP is a versatile and dependable heating option that can meet the demands of any industrial or commercial application.
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Product Details

  • 83% thermal efficiency
  • Intermittent pilot ignition (spark ignition) with continuous retry control system
  • 100% shut-off if the unit does not light to ensure unburned gases do not build up in the unit
  • Propeller unit heater
  • Choose from Natural Gas or Propane
  • Totally enclosed motor
  • 115V/60Hz/1Ph
  • Requires only a vent pipe and connections to a gas and electric line for installation
  • Fans engineered for quiet operation.
  • Aluminized steel heat exchanger is standard (stainless steel heat exchanger available by special order)
  • Designed for suspended mounting
  • Power exhaust can be rotated 180° for horizontal or vertical venting
  • Safety pressure switch to ensure safe venting conditions
  • CSA certification for commercial and industrial use in the United States and Canada


CFMAir Temp RiseMounting Height MaxHeat ThrowMotor HPDimensions
L x W x H
Vent Diameter (kit sold separately)
PDP150150,000123,0002,18051°16'55'1/621" x 35 1/4" x 29 13/16"5"
PDP175175,000143,5002,55051°17'59'1/623 1/2" x 35 1/4" x 29 9/16"5"
PDP200200,000164,0002,87050°15'51'1/325 5/8" x 40 1/4" x 34 3/4"5"
PDP250250,000207,5003,70050°19'67'1/325 5/8" x 40 1/4" x 34 3/4"6"
PDP300300,000249,0004,46050°21'74'1/228 5/8" x 40 1/4" x 34 3/4"6"
PDP350350,000290,5004,87053°20'70'1/233 5/8" x 40 1/4" x 34 11/16"6"
PDP400400,000332,0005,4405419'69'3/440" x 40 1/4" x 38 3/16"6'

Additional Information

Model PTP Dimensional Data (PDF)Model PDP Dimensional Data (PDF)

Model PTP Dimensional Data (PDF)Modine Specifications (PDF)

This heat-loss Btu calculator will help you decide on the size of the heater needed for your greenhouse. First, you need to know the Surface Area of your greenhouse. Use our Greenhouse Surface Area Calculator to find the total square feet of the exposed surface area of your greenhouse. Then, use our Greenhouse Heater BTU Calculator to find out the minimum heater BTU rating to keep your greenhouse at an inside desired temperature during the winter.

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